Oct 09 10
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Life on Discovery has settled into a bit of a routine over the last few days. Autosub has gone out during the day, recently doing dives right over the top of the seamount, and Hybis has had its chance in the evening, exploring the steep slopes on the sides of the mountain. Autosub has had a few problems with the batteries, just to keep us fault detection guys happy, but otherwise has performed flawlessly. They’ve been testing its obstacle avoidance by giving it a command to drive to the opposite side of the seamount at a fixed distance above the bottom and seeing how well it avoids the cliffs. Today it did it at 50m altitude. Tomorrow they’re trying at 20.

The missions that are drawing a crowd these days are Hybis’. Last night it produced some great video of the side of the seamount, with lots of interest for biologists (there aren’t any on-board, but I’m fascinated) and geologists. We saw lobsters, sponges, soft corals and fish, plus cliffs formed of lava that once spilled down the sides of the seamount. We haven’t seen any evidence of recent volcanic activity, but you never know!

Glass sponge and whip corals from Hybis video.

Glass sponge and whip corals from Hybis video.

A lobster attacks Hybis!

A lobster attacks Hybis!

As well as taking pictures, Hybis has also brought up a few specimens, including some lovely intricate glass sponges.

A glass sponge, brought up in Hybis' scoop.

A glass sponge, brought up in Hybis' scoop.

And for Anna, I thought I should blog this evening’s dessert. If anything, the food is getting better as the cruise continues. :yum:

The picture you've all been waiting for. Tonight's dinner featured black forest gateau.

The picture you've all been waiting for. Tonight's dinner featured black forest gateau.

Article Series - RSS Discovery

  1. First Day on RSS Discovery
  2. Sending Autosub for a swim
  3. What we’re doing in the middle of the Atlantic
  4. Meet Hybis
  5. Field Robotics is Hard!
  6. A Record Dive!
  7. Pictures from the deep
  8. What you’ve been waiting for… Cake!
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